black and clear construction geomembrane,made of LDPE, LLDPE,good tensile stretch, elongation, tear resistance LDPE, HDPE,LLDPE construction films for ... waterproof , breakage, etc.Material: recycled LDPE,HDPE,LLDPE OR MIX. content.Thickness: 4mil, 6mil, ... 8mil, 10mil.Width: 6m, 8m, 12m, 16m,COLOR: black, clear, or white.Purpose : used for building , waterproof , anti-leakage ...